First pass at the add-opennebula-vm-orders management command

Command executes but still does not create bills

uncloud_vm/migrations/0002_vmproduct_owner.py

@@ -0,0 +1,21 @@
+# Generated by Django 3.1.4 on 2021-04-14 10:40
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('uncloud_vm', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='vmproduct',
+            name='owner',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
+        ),
+    ]

uncloud_vm/migrations/0003_vmproduct_created_order_at.py

@@ -0,0 +1,20 @@
+# Generated by Django 3.1.4 on 2021-04-14 10:46
+
+import datetime
+from django.db import migrations, models
+from django.utils.timezone import utc
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('uncloud_vm', '0002_vmproduct_owner'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='vmproduct',
+            name='created_order_at',
+            field=models.DateTimeField(default=datetime.datetime(2021, 4, 14, 10, 46, 14, 96330, tzinfo=utc)),
+        ),
+    ]

uncloud_vm/migrations/0004_auto_20210414_1048.py

@@ -0,0 +1,24 @@
+# Generated by Django 3.1.4 on 2021-04-14 10:48
+
+import datetime
+from django.db import migrations, models
+from django.utils.timezone import utc
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('uncloud_vm', '0003_vmproduct_created_order_at'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='vmproduct',
+            name='created_order_at',
+        ),
+        migrations.AddField(
+            model_name='vmproduct',
+            name='create_order_at',
+            field=models.DateTimeField(default=datetime.datetime(2021, 4, 14, 10, 48, 6, 641056, tzinfo=utc)),
+        ),
+    ]

uncloud_vm/migrations/0005_auto_20210414_1119.py

@@ -0,0 +1,24 @@
+# Generated by Django 3.1.4 on 2021-04-14 11:19
+
+import datetime
+from django.db import migrations, models
+from django.utils.timezone import utc
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('uncloud_vm', '0004_auto_20210414_1048'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='vmproduct',
+            name='create_order_at',
+        ),
+        migrations.AddField(
+            model_name='vmproduct',
+            name='created_order_at',
+            field=models.DateTimeField(default=datetime.datetime(2021, 4, 14, 11, 19, 39, 447274, tzinfo=utc)),
+        ),
+    ]

uncloud_vm/migrations/0006_auto_20210414_1122.py

@@ -0,0 +1,20 @@
+# Generated by Django 3.1.4 on 2021-04-14 11:22
+
+import datetime
+from django.db import migrations, models
+from django.utils.timezone import utc
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('uncloud_vm', '0005_auto_20210414_1119'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='vmproduct',
+            name='created_order_at',
+            field=models.DateTimeField(default=datetime.datetime(2021, 4, 14, 11, 22, 11, 352536, tzinfo=utc)),
+        ),
+    ]

uncloud_vm/models.py

@@ -1,3 +1,6 @@
+import datetime
+from django.utils import timezone
+
 from django.db import models
 from django.contrib.auth import get_user_model
 
@@ -50,6 +53,8 @@ class VMHost(UncloudModel):
 
 
 class VMProduct(models.Model):
+    owner = models.ForeignKey(get_user_model(), on_delete=models.CASCADE,
+                              blank=True, null=True)
     vmhost = models.ForeignKey(
         VMHost, on_delete=models.CASCADE, editable=False, blank=True, null=True
     )
@@ -61,6 +66,7 @@ class VMProduct(models.Model):
     name = models.CharField(max_length=32, blank=True, null=True)
     cores = models.IntegerField()
     ram_in_gb = models.FloatField()
+    created_order_at = models.DateTimeField(default=timezone.make_aware(datetime.datetime.now()))
 
     @property
     def recurring_price(self):
@@ -78,6 +84,11 @@ class VMProduct(models.Model):
     #             RecurringPeriod.PER_30D, RecurringPeriod.PER_HOUR],
     #         RecurringPeriod.choices))
 
+    def create_order_at(self, dt):
+        self.created_order_at = dt
+
+    def create_or_update_order(self, when_to_start):
+        self.created_order_at = when_to_start
 
     def __str__(self):
         return f"VM id={self.id},name={self.name},cores={self.cores},ram_in_gb={self.ram_in_gb}"